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Table 3 Odds ratios (OR) and 95% confidence intervals (CI) of short/long sleep duration, excessive daytime sleepiness, vital exhaustion and elevated perceived stress according to maternal history of migraine, Seattle, Washington, USA, 2003-2006

From: Sleep duration, vital exhaustion and perceived stress among pregnant migraineurs and non-migraineurs

 

Migraine Diagnosis

  
 

Yes

No

  
 

N = 259

N = 1,075

Unadjusted

Adjusted*

Sleep Complaint

%

%

OR (95% CI)

OR (95% CI)

Sleep duration before pregnancy

    

   Short (≤ 6 hours)

27.0

18.5

1.66 (1.21-2.29)

1.51 (1.09-2.09)

   Normal (7-8 hours)

64.9

73.8

1.00 (Reference)

1.00 (Reference)

   Long (≥ 9 hours)

6.9

6.0

1.33 (0.77-2.30)

1.33 (0.77-2.31)

Sleep duration during pregnancy

    

   Short (≤ 6 hours)

24.7

17.2

1.73 (1.22-2.43)

1.57 (1.11-2.23)

   Normal (7-8 hours)

47.9

57.6

1.00 (Reference)

1.00 (Reference)

   Long (≥ 9 hours)

26.2

24.8

1.27 (0.92-1.77)

1.31 (0.94-1.83)

Excessive daytime sleepiness during pregnancy

    

   No

87.6

91.7

1.00 (Reference)

1.00 (Reference)

   Yes

12.4

8.3

1.56 (1.02-2.40)

1.46 (0.94-2.26)

Vital exhaustion during pregnancy

    

   No

63.3

78.4

1.00 (Reference)

1.00 (Reference)

   Yes

35.9

20.8

2.14 (1.60-2.88)

2.04 (1.52-2.76)

Elevated perceived stress score (≥7) during pregnancy

    

   No

81.5

87.0

1.00 (Reference)

1.00 (Reference)

   Yes

16.2

10.6

1.63 (1.11-2.40)

1.57 (1.06-2.31)

  1. *Adjusted for parity, history of pre-gestational hypertension and pre-pregnancy body mass index.
  2. **Column percentages may not add up to 100% due to missing values.